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- #! /usr/bin/perl
- #
- # dpkg-source
- #
- # Copyright © 1996 Ian Jackson <ian@davenant.greenend.org.uk>
- # Copyright © 1997 Klee Dienes <klee@debian.org>
- # Copyright © 1999-2003 Wichert Akkerman <wakkerma@debian.org>
- # Copyright © 1999 Ben Collins <bcollins@debian.org>
- # Copyright © 2000-2003 Adam Heath <doogie@debian.org>
- # Copyright © 2005 Brendan O'Dea <bod@debian.org>
- # Copyright © 2006-2008 Frank Lichtenheld <djpig@debian.org>
- # Copyright © 2006-2009,2012 Guillem Jover <guillem@debian.org>
- # Copyright © 2008-2011 Raphaël Hertzog <hertzog@debian.org>
- #
- # This program is free software; you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation; either version 2 of the License, or
- # (at your option) any later version.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License
- # along with this program. If not, see <http://www.gnu.org/licenses/>.
- use strict;
- use warnings;
- use Dpkg;
- use Dpkg::Gettext;
- use Dpkg::ErrorHandling;
- use Dpkg::Arch qw(debarch_eq debarch_is debarch_is_wildcard);
- use Dpkg::Deps;
- use Dpkg::Compression;
- use Dpkg::Conf;
- use Dpkg::Control::Info;
- use Dpkg::Control::Fields;
- use Dpkg::Substvars;
- use Dpkg::Version;
- use Dpkg::Vars;
- use Dpkg::Changelog::Parse;
- use Dpkg::Source::Package;
- use Dpkg::Vendor qw(run_vendor_hook);
- use Cwd;
- use File::Basename;
- use File::Spec;
- textdomain('dpkg-dev');
- my $controlfile;
- my $changelogfile;
- my $changelogformat;
- my $build_format;
- my %options = (
- # Compression related
- compression => compression_get_default(),
- comp_level => compression_get_default_level(),
- comp_ext => compression_get_property(compression_get_default(), 'file_ext'),
- # Ignore files
- tar_ignore => [],
- diff_ignore_regexp => '',
- # Misc options
- copy_orig_tarballs => 1,
- no_check => 0,
- require_valid_signature => 0,
- );
- # Fields to remove/override
- my %remove;
- my %override;
- my $substvars = Dpkg::Substvars->new();
- my $tar_ignore_default_pattern_done;
- my @options;
- my @cmdline_options;
- while (@ARGV && $ARGV[0] =~ m/^-/) {
- $_ = shift(@ARGV);
- if (m/^-b$/) {
- setopmode('-b');
- } elsif (m/^-x$/) {
- setopmode('-x');
- } elsif (m/^--(before|after)-build$/) {
- setopmode($_);
- } elsif (m/^--commit$/) {
- setopmode($_);
- } elsif (m/^--print-format$/) {
- setopmode('--print-format');
- report_options(info_fh => \*STDERR); # Avoid clutter on STDOUT
- } else {
- push @options, $_;
- }
- }
- my $dir;
- if (defined($options{opmode}) &&
- $options{opmode} =~ /^(-b|--print-format|--(before|after)-build|--commit)$/) {
- if (not scalar(@ARGV)) {
- usageerr(_g('%s needs a directory'), $options{opmode})
- unless $1 eq '--commit';
- $dir = '.';
- } else {
- $dir = File::Spec->catdir(shift(@ARGV));
- }
- stat($dir) || syserr(_g('cannot stat directory %s'), $dir);
- if (not -d $dir) {
- error(_g('directory argument %s is not a directory'), $dir);
- }
- if ($dir eq '.') {
- # . is never correct, adjust automatically
- $dir = basename(cwd());
- chdir('..') || syserr(_g("unable to chdir to `%s'"), '..');
- }
- # --format options are not allowed, they would take precedence
- # over real command line options, debian/source/format should be used
- # instead
- # --unapply-patches is only allowed in local-options as it's a matter
- # of personal taste and the default should be to keep patches applied
- my $forbidden_opts_re = {
- 'options' => qr/^--(?:format=|unapply-patches$|abort-on-upstream-changes$)/,
- 'local-options' => qr/^--format=/,
- };
- foreach my $filename ('local-options', 'options') {
- my $conf = Dpkg::Conf->new();
- my $optfile = File::Spec->catfile($dir, 'debian', 'source', $filename);
- next unless -f $optfile;
- $conf->load($optfile);
- $conf->filter(remove => sub { $_[0] =~ $forbidden_opts_re->{$filename} });
- if (@$conf) {
- info(_g('using options from %s: %s'), $optfile, join(' ', @$conf))
- unless $options{opmode} eq '--print-format';
- unshift @options, @$conf;
- }
- }
- }
- while (@options) {
- $_ = shift(@options);
- if (m/^--format=(.*)$/) {
- $build_format //= $1;
- } elsif (m/^-(?:Z|-compression=)(.*)$/) {
- my $compression = $1;
- $options{compression} = $compression;
- $options{comp_ext} = compression_get_property($compression, 'file_ext');
- usageerr(_g('%s is not a supported compression'), $compression)
- unless compression_is_supported($compression);
- compression_set_default($compression);
- } elsif (m/^-(?:z|-compression-level=)(.*)$/) {
- my $comp_level = $1;
- $options{comp_level} = $comp_level;
- usageerr(_g('%s is not a compression level'), $comp_level)
- unless compression_is_valid_level($comp_level);
- compression_set_default_level($comp_level);
- } elsif (m/^-c(.*)$/) {
- $controlfile = $1;
- } elsif (m/^-l(.*)$/) {
- $changelogfile = $1;
- } elsif (m/^-F([0-9a-z]+)$/) {
- $changelogformat = $1;
- } elsif (m/^-D([^\=:]+)[=:](.*)$/s) {
- $override{$1} = $2;
- } elsif (m/^-U([^\=:]+)$/) {
- $remove{$1} = 1;
- } elsif (m/^-(?:i|-diff-ignore(?:$|=))(.*)$/) {
- $options{diff_ignore_regexp} = $1 ? $1 : $Dpkg::Source::Package::diff_ignore_default_regexp;
- } elsif (m/^--extend-diff-ignore=(.+)$/) {
- $Dpkg::Source::Package::diff_ignore_default_regexp .= "|$1";
- if ($options{diff_ignore_regexp}) {
- $options{diff_ignore_regexp} .= "|$1";
- }
- } elsif (m/^-(?:I|-tar-ignore=)(.+)$/) {
- push @{$options{tar_ignore}}, $1;
- } elsif (m/^-(?:I|-tar-ignore)$/) {
- unless ($tar_ignore_default_pattern_done) {
- push @{$options{tar_ignore}}, @Dpkg::Source::Package::tar_ignore_default_pattern;
- # Prevent adding multiple times
- $tar_ignore_default_pattern_done = 1;
- }
- } elsif (m/^--no-copy$/) {
- $options{copy_orig_tarballs} = 0;
- } elsif (m/^--no-check$/) {
- $options{no_check} = 1;
- } elsif (m/^--require-valid-signature$/) {
- $options{require_valid_signature} = 1;
- } elsif (m/^-V(\w[-:0-9A-Za-z]*)[=:](.*)$/s) {
- $substvars->set($1, $2);
- } elsif (m/^-T(.*)$/) {
- $substvars->load($1) if -e $1;
- } elsif (m/^-(\?|-help)$/) {
- usage();
- exit(0);
- } elsif (m/^--version$/) {
- version();
- exit(0);
- } elsif (m/^-[EW]$/) {
- # Deprecated option
- warning(_g('-E and -W are deprecated, they are without effect'));
- } elsif (m/^-q$/) {
- report_options(quiet_warnings => 1);
- $options{quiet} = 1;
- } elsif (m/^--$/) {
- last;
- } else {
- push @cmdline_options, $_;
- }
- }
- unless (defined($options{opmode})) {
- usageerr(_g('need a command (-x, -b, --before-build, --after-build, --print-format, --commit)'));
- }
- if ($options{opmode} =~ /^(-b|--print-format|--(before|after)-build|--commit)$/) {
- $options{ARGV} = \@ARGV;
- $changelogfile ||= "$dir/debian/changelog";
- $controlfile ||= "$dir/debian/control";
- my %ch_options = (file => $changelogfile);
- $ch_options{changelogformat} = $changelogformat if $changelogformat;
- my $changelog = changelog_parse(%ch_options);
- my $control = Dpkg::Control::Info->new($controlfile);
- my $srcpkg = Dpkg::Source::Package->new(options => \%options);
- my $fields = $srcpkg->{fields};
- my @sourcearch;
- my %archadded;
- my @binarypackages;
- # Scan control info of source package
- my $src_fields = $control->get_source();
- error(_g("%s doesn't contain any information about the source package"),
- $controlfile) unless defined $src_fields;
- my $src_sect = $src_fields->{'Section'} || 'unknown';
- my $src_prio = $src_fields->{'Priority'} || 'unknown';
- foreach $_ (keys %{$src_fields}) {
- my $v = $src_fields->{$_};
- if (m/^Source$/i) {
- set_source_package($v);
- $fields->{$_} = $v;
- } elsif (m/^Uploaders$/i) {
- ($fields->{$_} = $v) =~ s/\s*[\r\n]\s*/ /g; # Merge in a single-line
- } elsif (m/^Build-(Depends|Conflicts)(-Arch|-Indep)?$/i) {
- my $dep;
- my $type = field_get_dep_type($_);
- $dep = deps_parse($v, build_dep => 1, union => $type eq 'union');
- error(_g('error occurred while parsing %s'), $_) unless defined $dep;
- my $facts = Dpkg::Deps::KnownFacts->new();
- $dep->simplify_deps($facts);
- $dep->sort() if $type eq 'union';
- $fields->{$_} = $dep->output();
- } else {
- field_transfer_single($src_fields, $fields);
- }
- }
- # Scan control info of binary packages
- my @pkglist;
- foreach my $pkg ($control->get_packages()) {
- my $p = $pkg->{'Package'};
- my $sect = $pkg->{'Section'} || $src_sect;
- my $prio = $pkg->{'Priority'} || $src_prio;
- my $type = $pkg->{'Package-Type'} ||
- $pkg->get_custom_field('Package-Type') || 'deb';
- push @pkglist, sprintf('%s %s %s %s', $p, $type, $sect, $prio);
- push(@binarypackages,$p);
- foreach $_ (keys %{$pkg}) {
- my $v = $pkg->{$_};
- if (m/^Architecture$/) {
- # Gather all binary architectures in one set. 'any' and 'all'
- # are special-cased as they need to be the only ones in the
- # current stanza if present.
- if (debarch_eq($v, 'any') || debarch_eq($v, 'all')) {
- push(@sourcearch, $v) unless $archadded{$v}++;
- } else {
- for my $a (split(/\s+/, $v)) {
- error(_g("`%s' is not a legal architecture string"),
- $a)
- unless $a =~ /^[\w-]+$/;
- error(_g('architecture %s only allowed on its ' .
- "own (list for package %s is `%s')"),
- $a, $p, $a)
- if grep($a eq $_, 'any', 'all');
- push(@sourcearch, $a) unless $archadded{$a}++;
- }
- }
- } elsif (m/^Homepage$/) {
- # Do not overwrite the same field from the source entry
- } else {
- field_transfer_single($pkg, $fields);
- }
- }
- }
- unless (scalar(@pkglist)) {
- error(_g("%s doesn't list any binary package"), $controlfile);
- }
- if (grep($_ eq 'any', @sourcearch)) {
- # If we encounter one 'any' then the other arches become insignificant
- # except for 'all' that must also be kept
- if (grep($_ eq 'all', @sourcearch)) {
- @sourcearch = qw(any all);
- } else {
- @sourcearch = qw(any);
- }
- } else {
- # Minimize arch list, by removing arches already covered by wildcards
- my @arch_wildcards = grep(debarch_is_wildcard($_), @sourcearch);
- my @mini_sourcearch = @arch_wildcards;
- foreach my $arch (@sourcearch) {
- if (!grep(debarch_is($arch, $_), @arch_wildcards)) {
- push @mini_sourcearch, $arch;
- }
- }
- @sourcearch = @mini_sourcearch;
- }
- $fields->{'Architecture'} = join(' ', @sourcearch);
- $fields->{'Package-List'} = "\n" . join("\n", sort @pkglist);
- # Scan fields of dpkg-parsechangelog
- foreach $_ (keys %{$changelog}) {
- my $v = $changelog->{$_};
- if (m/^Source$/) {
- set_source_package($v);
- $fields->{$_} = $v;
- } elsif (m/^Version$/) {
- my ($ok, $error) = version_check($v);
- error($error) unless $ok;
- $fields->{$_} = $v;
- } elsif (m/^Binary-Only$/) {
- error(_g('building source for a binary-only release'))
- if $v eq 'yes' and $options{opmode} eq '-b';
- } elsif (m/^Maintainer$/i) {
- # Do not replace the field coming from the source entry
- } else {
- field_transfer_single($changelog, $fields);
- }
- }
- $fields->{'Binary'} = join(', ', @binarypackages);
- # Avoid overly long line by splitting over multiple lines
- if (length($fields->{'Binary'}) > 980) {
- $fields->{'Binary'} =~ s/(.{0,980}), ?/$1,\n/g;
- }
- # Select the format to use
- if (not defined $build_format) {
- if (-e "$dir/debian/source/format") {
- open(my $format_fh, '<', "$dir/debian/source/format") ||
- syserr(_g('cannot read %s'), "$dir/debian/source/format");
- $build_format = <$format_fh>;
- chomp($build_format) if defined $build_format;
- error(_g('%s is empty'), "$dir/debian/source/format")
- unless defined $build_format and length $build_format;
- close($format_fh);
- } else {
- warning(_g('no source format specified in %s, ' .
- 'see dpkg-source(1)'), 'debian/source/format')
- if $options{opmode} eq '-b';
- $build_format = '1.0';
- }
- }
- $fields->{'Format'} = $build_format;
- $srcpkg->upgrade_object_type(); # Fails if format is unsupported
- # Parse command line options
- $srcpkg->init_options();
- $srcpkg->parse_cmdline_options(@cmdline_options);
- if ($options{opmode} eq '--print-format') {
- print $fields->{'Format'} . "\n";
- exit(0);
- } elsif ($options{opmode} eq '--before-build') {
- $srcpkg->before_build($dir);
- exit(0);
- } elsif ($options{opmode} eq '--after-build') {
- $srcpkg->after_build($dir);
- exit(0);
- } elsif ($options{opmode} eq '--commit') {
- $srcpkg->commit($dir);
- exit(0);
- }
- # Verify pre-requisites are met
- my ($res, $msg) = $srcpkg->can_build($dir);
- error(_g("can't build with source format '%s': %s"), $build_format, $msg) unless $res;
- # Only -b left
- info(_g("using source format `%s'"), $fields->{'Format'});
- run_vendor_hook('before-source-build', $srcpkg);
- # Build the files (.tar.gz, .diff.gz, etc)
- $srcpkg->build($dir);
- # Write the .dsc
- my $dscname = $srcpkg->get_basename(1) . '.dsc';
- info(_g('building %s in %s'), $sourcepackage, $dscname);
- $srcpkg->write_dsc(filename => $dscname,
- remove => \%remove,
- override => \%override,
- substvars => $substvars);
- exit(0);
- } elsif ($options{opmode} eq '-x') {
- # Check command line
- unless (scalar(@ARGV)) {
- usageerr(_g('-x needs at least one argument, the .dsc'));
- }
- if (scalar(@ARGV) > 2) {
- usageerr(_g('-x takes no more than two arguments'));
- }
- my $dsc = shift(@ARGV);
- if (-d $dsc) {
- usageerr(_g('-x needs the .dsc file as first argument, not a directory'));
- }
- # Create the object that does everything
- my $srcpkg = Dpkg::Source::Package->new(filename => $dsc,
- options => \%options);
- # Parse command line options
- $srcpkg->parse_cmdline_options(@cmdline_options);
- # Decide where to unpack
- my $newdirectory = $srcpkg->get_basename();
- $newdirectory =~ s/_/-/g;
- if (@ARGV) {
- $newdirectory = File::Spec->catdir(shift(@ARGV));
- if (-e $newdirectory) {
- error(_g('unpack target exists: %s'), $newdirectory);
- }
- }
- # Various checks before unpacking
- unless ($options{no_check}) {
- if ($srcpkg->is_signed()) {
- $srcpkg->check_signature();
- } else {
- if ($options{require_valid_signature}) {
- error(_g("%s doesn't contain a valid OpenPGP signature"), $dsc);
- } else {
- warning(_g('extracting unsigned source package (%s)'), $dsc);
- }
- }
- $srcpkg->check_checksums();
- }
- # Unpack the source package (delegated to Dpkg::Source::Package::*)
- info(_g('extracting %s in %s'), $srcpkg->{fields}{'Source'}, $newdirectory);
- $srcpkg->extract($newdirectory);
- exit(0);
- }
- sub setopmode {
- if (defined($options{opmode})) {
- usageerr(_g('only one of -x, -b or --print-format allowed, and only once'));
- }
- $options{opmode} = $_[0];
- }
- sub version {
- printf _g("Debian %s version %s.\n"), $progname, $version;
- print _g('
- This is free software; see the GNU General Public License version 2 or
- later for copying conditions. There is NO warranty.
- ');
- }
- sub usage {
- printf _g(
- 'Usage: %s [<option>...] <command>')
- . "\n\n" . _g(
- 'Commands:
- -x <filename>.dsc [<output-dir>]
- extract source package.
- -b <dir> build source package.
- --print-format <dir> print the source format that would be
- used to build the source package.
- --commit [<dir> [<patch-name>]]
- store upstream changes in a new patch.')
- . "\n\n" . _g(
- "Build options:
- -c<control-file> get control info from this file.
- -l<changelog-file> get per-version info from this file.
- -F<changelog-format> force changelog format.
- -V<name>=<value> set a substitution variable.
- -T<substvars-file> read variables here.
- -D<field>=<value> override or add a .dsc field and value.
- -U<field> remove a field.
- -q quiet mode.
- -i[<regexp>] filter out files to ignore diffs of
- (defaults to: '%s').
- -I[<pattern>] filter out files when building tarballs
- (defaults to: %s).
- -Z<compression> select compression to use (defaults to '%s',
- supported are: %s).
- -z<level> compression level to use (defaults to '%d',
- supported are: '1'-'9', 'best', 'fast')")
- . "\n\n" . _g(
- "Extract options:
- --no-copy don't copy .orig tarballs
- --no-check don't check signature and checksums before unpacking
- --require-valid-signature abort if the package doesn't have a valid signature")
- . "\n\n" . _g(
- 'General options:
- -?, --help show this help message.
- --version show the version.')
- . "\n\n" . _g(
- 'More options are available but they depend on the source package format.
- See dpkg-source(1) for more info.') . "\n",
- $progname,
- $Dpkg::Source::Package::diff_ignore_default_regexp,
- join(' ', map { "-I$_" } @Dpkg::Source::Package::tar_ignore_default_pattern),
- compression_get_default(),
- join(' ', compression_get_list()),
- compression_get_default_level();
- }
|